P-5

Ancillary Services Prices, Day Ahead Market

04/16/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:003.093.090.25450.250.250.2545
07:0010.534.030.55570.50.555
08:0010.894.390.55570.50.555
09:0010.894.390.55570.50.555
10:0020.014.590.55570.50.555
11:0018.964.590.55070.50.550
12:0010.393.890.55070.50.550
13:0010.393.89251.58.52251.5
14:0010.73.890.195070.190.1950
15:0012.833.890.9152.869.860.910.9152.86
16:0010.433.011.3951.818.811.391.3951.81
17:0010.323.010.1950.57.50.190.1950.5
18:0010.933252.939.932252.93
19:009.593.09256.58.52256.5
20:009.93.43.457.99.93.43.457.9
21:009.993.49256.58.52256.5
22:008.113.090.55071.980.550
23:002.692.690.3500.30.30.350